ZIP Code 61443 — Kewanee, IL
61443 is a standard (street delivery) ZIP code serving Kewanee, Illinois, in Henry County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 61443 at a glance
| ZIP code | 61443 |
|---|---|
| Primary city | Kewanee |
| State | Illinois (IL) |
| County | Henry FIPS 17073 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 13,456 |
| Coordinates | 41.259720, -89.942420 |
How ZIP+4 works in 61443
The four digits after the hyphen encode a delivery segment inside 61443. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 61443 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 61443.
| ZIP | City | Distance |
|---|---|---|
| 61434 | Galva, IL | 7.7 mi |
| 61345 | Neponset, IL | 8.1 mi |
| 61419 | Bishop Hill, IL | 10 mi |
| 61235 | Atkinson, IL | 10.5 mi |
| 61234 | Annawan, IL | 11 mi |
| 61344 | Mineral, IL | 11.9 mi |
| 61449 | La Fayette, IL | 11.9 mi |
| 61238 | Cambridge, IL | 12.3 mi |
| 61483 | Toulon, IL | 12.8 mi |
| 61361 | Sheffield, IL | 13.7 mi |
| 61314 | Buda, IL | 14.1 mi |
| 61414 | Altona, IL | 14.4 mi |
Questions about 61443
What is the ZIP+4 code for 61443?
61443 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 61443, you need to look up a specific street address to get them.
What city is 61443?
61443 is assigned to Kewanee, Illinois, in Henry County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.